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The High-Temperature Wear and Oxidation Behavior of CrC-Based HVOF Coatings

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F18%3A00508699" target="_blank" >RIV/61389021:_____/18:00508699 - isvavai.cz</a>

  • Alternative codes found

    RIV/47718684:_____/18:N0000016 RIV/49777513:23640/18:43951178

  • Result on the web

    <a href="https://link.springer.com/article/10.1007%2Fs11666-017-0637-3" target="_blank" >https://link.springer.com/article/10.1007%2Fs11666-017-0637-3</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1007/s11666-017-0637-3" target="_blank" >10.1007/s11666-017-0637-3</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    The High-Temperature Wear and Oxidation Behavior of CrC-Based HVOF Coatings

  • Original language description

    Three commercially available chromium carbide-based powders with different kinds of matrix (Cr3C2-25%NiCr, Cr3C2-25%CoNiCrAlY and Cr3C2-50%NiCrMoNb) were deposited by an HVOF JP-5000 spraying gun, evaluated and compared. The influence of heat treatment on the microstructure and properties, as well as the oxidation resistance in a hot steam environment (p = 24 MPa, T = 609 A degrees C), was evaluated by SEM and XRD with respect to their potential application in the steam power industry. The sliding wear resistance measured at room and elevated (T = 600 A degrees C) temperatures according to ASTM G-133. For all three kinds of chromium carbide-based coatings, the precipitation of secondary carbides from the supersaturated matrix was observed during the heat treatment. For Cr3C2-25%NiCr coating annealed in hot steam environment as well as for Cr3C2-25%CoNiCrAlY coating in both environments, the inner carbide oxidation was recorded. The sliding wear resistance was found equal at room temperature, regardless of the matrix composition and content, while at elevated temperatures, the higher wear was measured, varying in dependence on the matrix composition and content. The chromium carbide-based coating with modified matrix composition Cr3C2-50%NiCrMoNb is suitable to replace the Cr3C2-25%NiCr coating in a hot steam environment to eliminate the risk of failure caused by inner carbide oxidation.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20501 - Materials engineering

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2018

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of Thermal Spray Technology

  • ISSN

    1059-9630

  • e-ISSN

  • Volume of the periodical

    27

  • Issue of the periodical within the volume

    1-2

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    17

  • Pages from-to

    179-195

  • UT code for WoS article

    000419001600017

  • EID of the result in the Scopus database

    2-s2.0-85029431754